This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Plasma membrane is a selectively permeable membrane of the cell that maintains its homeostasis , i.e. constant internal chemical composition of the cell. If it ruptures or breaks down , the constant internal chemical composition of the cell will be loss and it will not be able to perform basic function.
If the plasma  membrane of a cell is ruptures , then the cell will die the plasma membrane regulate the movement of substance in and out of the cell by diffusion or osmosis . thus , if the plasma membrane is ruptured , then the cell might leak out its contents .